Almandine and Phlogopite Physical Properties

Almandine and Phlogopite Chemical Formula

While comparing Almandine and Phlogopite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Almandine and Phlogopite chemical formula.

• Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2

Almandine and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.